Jet boat



FIG. 1 is a perspective view of a jet boat showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side plan view thereof, the left hand side plan view being a mirror image thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear plan view thereof; and,

FIG. 6 is a front plan view thereof. 

The ornamental design for a jet boat, as shown and described. 